Home / 19,314.42-28,971.63-12,432.66

Finding the Fourth Proportional to 19,314.42, 28,971.63 and 12,432.66

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Solution

The fourth proportional to 19,314.42, 28,971.63 and 12,432.66 is: 18,648.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.42 : 28,971.63 = 12,432.66 : x
  2. Step 2: Convert to fraction form
    19,314.42/28,971.63 = 12,432.66/x
  3. Step 3: Cross multiply
    19,314.42x = 28,971.63 × 12,432.66
  4. Step 4: Simplify right side
    19,314.42x = 360,194,425.44
  5. Step 5: Solve for x
    x = 360,194,425.44/19,314.42
  6. Step 6: Final answer
    x = 18,648.99

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